Surgery and procedures CPT 31255 Missouri Outpatient

Sinus surgery, full ethmoid cost in Missouri

In Missouri, 10 hospitals publish a cash price for endoscopic sinus surgery: full ethmoid sinus opening: from $505.92 to $20,886.83, with a median of $10,877.48. The lowest price is at Children's Mercy Hospital (Kansas City). The highest price is 41.3× the lowest.

Outpatient cash prices, one line per hospital — its lowest listed price for code 31255. Prices for both sides of the body and inpatient prices are not mixed in. Collected Sep 23, 2026.

Lowest$505.92Children's Mercy Hospital
Median$10,877.48half pay less
Highest$20,886.83in Missouri
Lowest saves$10,371.56vs the median

Hospitals in Missouri, cheapest first

HospitalCash price List priceFile date
Children's Mercy Hospital lowest Kansas City · Kansas City, MO-KS NASAL ENDO W ETHMOIDECT TOTAL $505.92 $1,054.00 —
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Mercy Hospital Perry Perryville · Perryville, MO Nasal/Sinus Ndsc W/Total Ethoidectomy $670.50 $894.00 Jun 12, 2026
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Mercy Hospital Southeast Cape Girardeau · Cape Girardeau, MO-IL Nasal/Sinus Ndsc W/Total Ethoidectomy $819.75 $1,093.00 Jun 12, 2026
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St Joseph Medical Center Kansas City · Kansas City, MO-KS NASALSINUS ENDOSCOPY SURGICAL $7,034.00 $4,660.08 Mar 17, 2026
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Mercy Perry Perryville · Perryville, MO Nasal/Sinus Ndsc W/Total Ethoidectomy $10,082.25 $15,511.16 —
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Mercy Hospital South Saint Louis · St. Louis, MO-IL Nasal/Sinus Ndsc W/Total Ethoidectomy $11,672.70 $17,958.00 —
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Mercy Hospital Washington Washington · St. Louis, MO-IL Nasal/Sinus Ndsc W/Total Ethoidectomy $12,789.82 $19,676.65 —
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Mercy Hospital St Louis Saint Louis · St. Louis, MO-IL Nasal/Sinus Ndsc W/Total Ethoidectomy $15,918.47 $24,489.96 —
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Mercy Hospital Springfield Springfield · Springfield, MO Nasal/Sinus Ndsc W/Total Ethoidectomy $20,886.83 $32,133.59 —
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Mercy Hospital Springfield Ozark · Springfield, MO Nasal/Sinus Ndsc W/Total Ethoidectomy $20,886.83 $32,133.59 —
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By metro area

Each metro page compares every listing, including prices for both sides of the body.

Metro areaHospitals LowestMedian
St. Louis, MO-IL 3 $11,672.70 $12,789.82
Kansas City, MO-KS 2 $505.92 $3,769.96
Perryville, MO 2 $670.50 $5,376.38
Springfield, MO 2 $20,886.83 $20,886.83
Cape Girardeau, MO-IL 1 $819.75 $819.75

What it is

This code covers endoscopic surgery through the nose to open all of the ethmoid sinuses, between the eyes.

What the price covers

The hospital price usually covers the operating room, recovery and supplies. The surgeon and anesthesia usually bill separately.

Endoscopic sinus surgery: full ethmoid sinus opening in other states

Median cash price across the state's hospitals.